# Ubuntu/Debian sudo apt install firmware-b43-installer # for Broadcom sudo apt install firmware-iwlwifi # for Intel
If you have a driver CD that came with your network adapter, follow these steps: how to install driver for network adapter
A network adapter (also known as a Network Interface Card or NIC) is the hardware component that allows your computer to connect to the internet—either via Ethernet (wired) or Wi-Fi (wireless). Without the correct driver, the operating system cannot communicate with the adapter. This guide will walk you through every method to install or update your network adapter driver. how to install driver for network adapter